764881288122 has 16 divisors (see below), whose sum is σ = 1748300087232. Its totient is φ = 218537510880.

The previous prime is 764881288091. The next prime is 764881288123. The reversal of 764881288122 is 221882188467.

It is not an unprimeable number, because it can be changed into a prime (764881288123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105729579 + ... + 9105729662.

It is an arithmetic number, because the mean of its divisors is an integer number (109268755452).

Almost surely, 2^764881288122 is an apocalyptic number.

764881288122 is an abundant number, since it is smaller than the sum of its proper divisors (983418799110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764881288122 is a wasteful number, since it uses less digits than its factorization.

764881288122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18211459253.

The product of its digits is 5505024, while the sum is 57.

The spelling of 764881288122 in words is "seven hundred sixty-four billion, eight hundred eighty-one million, two hundred eighty-eight thousand, one hundred twenty-two".